*{
    margin: 0;
    padding: 0;
}
html {
    font-size: 625%;
}
html,body{
    width: 100%;
}
body{
    font-size: 16px;
}
#list{
    z-index: 999;
    width: 100%;
    height: 100%;
    position: fixed;
    left: -4rem;
    top:.5rem;
    transition:1s all;
    background: rgba(0,0,0,0.5);
}
#list section {
    color: silver;
    width: 2.1rem;
    height: 0.51rem;
    background: black;
    border-bottom: 0.01rem dashed silver;
    position: relative;
}
#list section span{
    font-size: 0.14rem;
    position: absolute;
    left: 0.1rem;
}
#list section i{
    position: absolute;
    right: 0.1rem;
}